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Subject[PATCH] wifi: mwifiex: added extra delay for firmware ready.
Date
For SDIO IW416, in a corner case FW may return ready before complete full
initialization.
Command timeout may occur at driver load after reboot.
Workaround by adding 100ms delay at checking FW status.

Signed-off-by: David Lin <yu-hao.lin@nxp.com>
---
drivers/net/wireless/marvell/mwifiex/sdio.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/net/wireless/marvell/mwifiex/sdio.c b/drivers/net/wireless/marvell/mwifiex/sdio.c
index 6462a0ffe698..744e9403430a 100644
--- a/drivers/net/wireless/marvell/mwifiex/sdio.c
+++ b/drivers/net/wireless/marvell/mwifiex/sdio.c
@@ -783,6 +783,9 @@ static int mwifiex_check_fw_status(struct mwifiex_adapter *adapter,
ret = -1;
}

+ if (!ret)
+ msleep(100);
+
return ret;
}

base-commit: 783004b6dbda2cfe9a552a4cc9c1d168a2068f6c
--
2.25.1

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